Key Characteristics of Unix-based Systems:
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POSIX Compliance:
Many Unix-based systems are POSIX-compliant, meaning they adhere to a set of standards that ensure compatibility across different Unix-like systems. This allows for easier porting of applications and a more consistent user experience.
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File System Structure:
Unix-based systems typically use a hierarchical file system structure, with a root directory (”/”) and various subdirectories for system files, user files, and applications.
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Shell and Command-Line Interface:
A command-line interface (CLI) is a central feature of Unix systems, providing a way to interact with the operating system using commands. Common shells include Bash, which is widely used in Linux distributions
History Of Unix Linux MacOS BSD - Berkeley Software Distribution Solaris Android